Background music added to a video with Claude Opus, landscape and portrait versions: Claude Opus launch video

Originally posted by @palashbagchi11 on X · posted Sep 24, 2026 · curated by MotionHunt, updated Oct 15, 2026

In short

The author asked Opus 5.5 to add fast, royalty-free background music to an existing video and export two versions, one landscape and one portrait. The post is a short prompt-and-result share with an invitation to vote for preferred versions by liking. The video's length and the music's exact style are not stated.

Prompt

From the author's post

Add a good fast royalty free music to this video, and make 2 versions - 1 landscape, and another portrait

How it was made

Music was added by Opus 5.5 from a single text prompt asking for fast, royalty-free music and two versions (landscape and portrait). The author does not share the editing tool, rendering method, time, or cost.

Tools: Claude Opus

Remix it for your product

Add a good fast royalty free music to this [PRODUCT] video highlighting [FEATURES], and make 2 versions - 1 landscape, and another portrait

FAQ

What tool made this launch video?

This video was made with Claude Opus.

Can I see the prompt behind this video?

Yes. The full prompt is shown on this page (from the author's post). Credit the original creator if you reuse it.

What kind of product is this video for?

It is a launch video for a other product.